MALAYSIA AIRLINES captain Zaharie Shah may not have been in control of the aircraft until the end, according to an air crash investigator's theory.

MH370 left Kuala Lumpur Airport on March 8, 2014, destined for Beijing, China with 239 passengers on board. However, the jet last communicated with air traffic control at 1.19am, before mysteriously vanishing over the South China Sea. Radar and satellite data shows how the aircraft suddenly changed course and flew back across Malaysia before turning south of Penang and then towards the southern Indian Ocean – a move that many experts have looked into.